1 /*- 2 * Copyright (c) 1998 3 * HD Associates, Inc. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by HD Associates, Inc 16 * 4. Neither the name of the author nor the names of any co-contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY HD ASSOCIATES AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL HD ASSOCIATES OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33 #include <sys/cdefs.h> 34 __FBSDID("$FreeBSD$"); 35 36 #include <sys/param.h> 37 #include <sys/kernel.h> 38 #include <sys/queue.h> 39 #include <sys/sysctl.h> 40 #include <sys/vnode.h> 41 #include <posix4/posix4.h> 42 43 static int facility[CTL_P1003_1B_MAXID - 1]; 44 static int facility_initialized[CTL_P1003_1B_MAXID - 1]; 45 46 /* OID_AUTO isn't working with sysconf(3). I guess I'd have to 47 * modify it to do a lookup by name from the index. 48 * For now I've left it a top-level sysctl. 49 */ 50 51 #if 1 52 53 SYSCTL_DECL(_p1003_1b); 54 55 #define P1B_SYSCTL(num, name) \ 56 SYSCTL_INT(_p1003_1b, num, \ 57 name, CTLFLAG_RD, facility + num - 1, 0, ""); 58 59 #else 60 61 SYSCTL_DECL(_kern_p1003_1b); 62 63 #define P1B_SYSCTL(num, name) \ 64 SYSCTL_INT(_kern_p1003_1b, OID_AUTO, \ 65 name, CTLFLAG_RD, facility + num - 1, 0, ""); 66 SYSCTL_NODE(_kern, OID_AUTO, p1003_1b, CTLFLAG_RW, 0, "P1003.1B"); 67 68 #endif 69 70 SYSCTL_INT(_p1003_1b, CTL_P1003_1B_ASYNCHRONOUS_IO, \ 71 asynchronous_io, CTLFLAG_RD, &async_io_version, 0, ""); 72 P1B_SYSCTL(CTL_P1003_1B_MAPPED_FILES, mapped_files); 73 P1B_SYSCTL(CTL_P1003_1B_MEMLOCK, memlock); 74 P1B_SYSCTL(CTL_P1003_1B_MEMLOCK_RANGE, memlock_range); 75 P1B_SYSCTL(CTL_P1003_1B_MEMORY_PROTECTION, memory_protection); 76 P1B_SYSCTL(CTL_P1003_1B_MESSAGE_PASSING, message_passing); 77 P1B_SYSCTL(CTL_P1003_1B_PRIORITIZED_IO, prioritized_io); 78 P1B_SYSCTL(CTL_P1003_1B_PRIORITY_SCHEDULING, priority_scheduling); 79 P1B_SYSCTL(CTL_P1003_1B_REALTIME_SIGNALS, realtime_signals); 80 P1B_SYSCTL(CTL_P1003_1B_SEMAPHORES, semaphores); 81 P1B_SYSCTL(CTL_P1003_1B_FSYNC, fsync); 82 P1B_SYSCTL(CTL_P1003_1B_SHARED_MEMORY_OBJECTS, shared_memory_objects); 83 P1B_SYSCTL(CTL_P1003_1B_SYNCHRONIZED_IO, synchronized_io); 84 P1B_SYSCTL(CTL_P1003_1B_TIMERS, timers); 85 P1B_SYSCTL(CTL_P1003_1B_AIO_LISTIO_MAX, aio_listio_max); 86 P1B_SYSCTL(CTL_P1003_1B_AIO_MAX, aio_max); 87 P1B_SYSCTL(CTL_P1003_1B_AIO_PRIO_DELTA_MAX, aio_prio_delta_max); 88 P1B_SYSCTL(CTL_P1003_1B_DELAYTIMER_MAX, delaytimer_max); 89 P1B_SYSCTL(CTL_P1003_1B_MQ_OPEN_MAX, mq_open_max); 90 P1B_SYSCTL(CTL_P1003_1B_PAGESIZE, pagesize); 91 P1B_SYSCTL(CTL_P1003_1B_RTSIG_MAX, rtsig_max); 92 P1B_SYSCTL(CTL_P1003_1B_SEM_NSEMS_MAX, sem_nsems_max); 93 P1B_SYSCTL(CTL_P1003_1B_SEM_VALUE_MAX, sem_value_max); 94 P1B_SYSCTL(CTL_P1003_1B_SIGQUEUE_MAX, sigqueue_max); 95 P1B_SYSCTL(CTL_P1003_1B_TIMER_MAX, timer_max); 96 97 #define P31B_VALID(num) ((num) >= 1 && (num) < CTL_P1003_1B_MAXID) 98 99 /* p31b_setcfg: Set the configuration 100 */ 101 void 102 p31b_setcfg(int num, int value) 103 { 104 105 if (P31B_VALID(num)) { 106 facility[num - 1] = value; 107 facility_initialized[num - 1] = 1; 108 } 109 } 110 111 int 112 p31b_getcfg(int num) 113 { 114 115 if (P31B_VALID(num)) 116 return (facility[num - 1]); 117 return (0); 118 } 119 120 int 121 p31b_iscfg(int num) 122 { 123 124 if (P31B_VALID(num)) 125 return (facility_initialized[num - 1]); 126 return (0); 127 } 128 129 /* 130 * Turn on indications for standard (non-configurable) kernel features. 131 */ 132 static void 133 p31b_set_standard(void *dummy) 134 { 135 /* ??? p31b_setcfg(CTL_P1003_1B_FSYNC, 1); */ 136 p31b_setcfg(CTL_P1003_1B_MAPPED_FILES, 1); 137 p31b_setcfg(CTL_P1003_1B_SHARED_MEMORY_OBJECTS, 1); 138 p31b_setcfg(CTL_P1003_1B_PAGESIZE, PAGE_SIZE); 139 if (!p31b_iscfg(CTL_P1003_1B_AIO_LISTIO_MAX)) 140 p31b_setcfg(CTL_P1003_1B_AIO_LISTIO_MAX, -1); 141 if (!p31b_iscfg(CTL_P1003_1B_AIO_MAX)) 142 p31b_setcfg(CTL_P1003_1B_AIO_MAX, -1); 143 if (!p31b_iscfg(CTL_P1003_1B_AIO_PRIO_DELTA_MAX)) 144 p31b_setcfg(CTL_P1003_1B_AIO_PRIO_DELTA_MAX, -1); 145 } 146 147 SYSINIT(p31b_set_standard, SI_SUB_P1003_1B, SI_ORDER_ANY, p31b_set_standard, 148 0); 149 150